by127

BY127, BY133, EM513, EM516, EM518
High Voltage Glass Passivated Junction Rectifiers
Reverse Voltage 1250 to 2000 Volts Forward Current 1.0 Ampere
Features
Low forward voltage drop
High current capability
High reliability
High surge current capability
Repetitive peak reverse voltage: 1250-2000V
Plastic material has UL classification 94V-0
Mechanical Data
Plastic case: DO-204AL (DO-41)
Lead: Axial leads, solderable per MIL-STD-202, Method 208
guaranteed
Polarity: Color band denotes cathode end
High temperature soldering guaranteed:
250oC/10 seconds .375” (9.5mm) lead
lengths at 5 lbs., (2.3kg) tension
Weight: 0.012 ounce, 0.33 gram
Maximum Ratings and Electrical Characteristics
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Parameter
Symbols
BY127
BY133
EM513
EM516
EM518
Units
Maximum repetitive peak reverse voltage
VRRM
1250
1300
1600
1800
2000
Volts
Maximum RMS voltage
VRMS
875
910
1120
1260
1400
Volts
Maximum DC blocking voltage
V DC
1250
1300
1600
1800
2000
Volts
o
Max. average forward rectified current, R-load TA=75 C
1)
IF(AV)
1.0
Amp
IF(AV)
0.75
Amp
IFRM
10
Amps
IFSM
50.0
Amps
Rating for fusing, t<10 ms TA=25 C
2
it
12.5
A 2s
Maximum forward voltage at 1.0A TJ=25oC
VF
1.1
Volts
IR
5
200
uA
RθJA
45.0
K/W 1)
TJ
-50 to +150
o
C
TSTG
-50 to +150
o
C
Max. average forward rectified current, R-load TA=100oC
Repetitive peak forward current
1)
1)
(f>15Hz)
o
Peak forward surge current, 50 Hz half sine-wave at TA=25 C
o
Leakage current Tj=25oC VR=VRRM
Tj=100oC VR=VRRM
Thermal resistance junction to ambient air
Operating junction temperature
Storage temperature range
Notes:
1. Valid, if leads are kept at ambient temperature at a distance of 10 mm from case
723
RATINGS AND CHARACTERISTIC CURVES
724